Abstract

3,4-Bis(methylthio)-and 3,4-dichalcogeno-8,9-dihydro-7,10-dithiafluoroanthene and 3,4-bis(methylthio)- and 3,4-dithio-7,10-dithiafluoroanthene were synthesized as novel donor components for organic conductors. These donors showed low oxidation potentials, and intermolecular van der Waals interaction between the sulfur atoms was observed by X-ray crystallographic analysis. The radical cation salts and charge transfer complexes of the donors with various inorganic and organic acceptors were prepared either by electrocrystallization in the presence of tetraalkylammonium salts or by recrystallization of the mixture of donors and acceptors. Some of these radical cation salts showed good electrical conductivities.

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